/* ── Hero ── */

.hero {
  background: var(--answer-black);
  padding: 8rem 2rem 7rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 68% 30%, rgba(255, 255, 255, 0.06) 0%, transparent 58%),
              radial-gradient(ellipse at 18% 85%, rgba(0, 87, 255, 0.10) 0%, transparent 55%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7eb3ff;
  background: rgba(100, 160, 255, 0.12);
  border: 1px solid rgba(100, 160, 255, 0.25);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.75rem;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.68);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn-primary {
  display: inline-block;
  padding: 0.875rem 2.25rem;
  background: linear-gradient(135deg, #0057ff, #0041cc);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(0, 87, 255, 0.4);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 87, 255, 0.55);
}

.btn-secondary {
  display: inline-block;
  padding: 0.875rem 2.25rem;
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.hero-trust {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.03em;
}

/* ── Benefits ── */

.benefits {
  padding: 7rem 2rem 6rem;
  background: var(--paper);
  position: relative;
  overflow: hidden;
}

.benefits::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 90% 15%, rgba(0, 87, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 8% 85%, rgba(120, 0, 255, 0.04) 0%, transparent 45%);
  pointer-events: none;
}

.benefits-inner {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #111111;
  background: rgba(17, 17, 17, 0.08);
  border: 1px solid rgba(17, 17, 17, 0.18);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.benefits h2 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #111111;
  margin-bottom: 1rem;
  max-width: 600px;
}

.section-intro {
  font-size: 1.05rem;
  color: #555;
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: 3.5rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.benefit-card {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.09);
  border-radius: 14px;
  padding: 2rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.benefit-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.benefit-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 8px;
  background: var(--answer-black);
  color: #fff;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.benefit-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #111111;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.benefit-card p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.7;
}

/* ── How it Works ── */

.how-it-works {
  background: var(--answer-black);
  padding: 7rem 2rem;
  position: relative;
  overflow: hidden;
}

.how-it-works::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 45%, rgba(255, 255, 255, 0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 14% 28%, rgba(0, 87, 255, 0.09) 0%, transparent 50%);
  pointer-events: none;
}

.how-inner {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-eyebrow-light {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7eb3ff;
  background: rgba(100, 160, 255, 0.12);
  border: 1px solid rgba(100, 160, 255, 0.25);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.75rem;
}

.how-inner h2 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 3.5rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.step {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top: 2px solid rgba(0, 87, 255, 0.7);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.2s ease;
}

.step:hover {
  background: rgba(255, 255, 255, 0.07);
}

.step-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(0, 87, 255, 0.18);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
}

/* ── Four-step flow diagram (dark ground) ── */

.flow-fig {
  margin: 0 0 3.25rem;
}

.flowdia {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.fnode rect {
  fill: rgba(255, 255, 255, 0.05);
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 1;
}

.fnode--human rect {
  fill: rgba(62, 104, 238, 0.16);
  stroke: rgba(126, 160, 255, 0.55);
}

.fnum {
  font-size: 15px;
  font-weight: 800;
  fill: rgba(126, 160, 255, 0.6);
  letter-spacing: 0.02em;
}

.fname {
  font-size: 17px;
  font-weight: 700;
  fill: #ffffff;
  letter-spacing: -0.01em;
}

.fline {
  font-size: 12.5px;
  fill: rgba(255, 255, 255, 0.62);
}

.fflow {
  fill: none;
  stroke: rgba(126, 160, 255, 0.75);
  color: rgba(126, 160, 255, 0.75);
  stroke-width: 1.5;
}

.fflow--return {
  stroke-dasharray: 5 4;
  stroke: rgba(126, 160, 255, 0.55);
  color: rgba(126, 160, 255, 0.55);
}

.fmark {
  font-size: 12px;
  font-weight: 600;
  fill: rgba(126, 160, 255, 0.9);
  letter-spacing: 0.02em;
}

.fmark-line {
  stroke: rgba(126, 160, 255, 0.5);
  stroke-width: 1;
}

.freturn {
  font-size: 13px;
  fill: rgba(255, 255, 255, 0.6);
}

@media (max-width: 640px) {
  .fname { font-size: 21px; }
  .fline { font-size: 15px; }
  .fnum { font-size: 18px; }
  .fmark, .freturn { font-size: 15px; }
}

/* ── Features ── */

.features {
  padding: 7rem 2rem 6rem;
  background: var(--paper-alt);
  border-top: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
}

.features::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(0, 87, 255, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 10% 80%, rgba(120, 0, 255, 0.03) 0%, transparent 45%);
  pointer-events: none;
}

.features-inner {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.features h2 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #111111;
  margin-bottom: 3rem;
  max-width: 560px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid rgba(0, 0, 0, 0.09);
  border-radius: 16px;
  overflow: hidden;
}

.feature-col {
  padding: 2.25rem 2rem;
  border-right: 1px solid rgba(0, 0, 0, 0.09);
}

.feature-col:last-child {
  border-right: none;
}

.feature-col-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.feature-col-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  background: var(--answer-black);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0;
}

.feature-col h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #111111;
  line-height: 1.3;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.feature-list li {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.65;
  padding-left: 0.85rem;
  border-left: 2px solid rgba(0, 87, 255, 0.2);
}

.feature-list li strong {
  display: block;
  color: #222;
  font-weight: 600;
  margin-bottom: 0.1rem;
}

/* ── CTA Band ── */

.cta-band {
  background: var(--answer-black);
  padding: 7rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(0, 87, 255, 0.16) 0%, transparent 65%);
  pointer-events: none;
}

.cta-band-inner {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #ffffff;
  margin-bottom: 1rem;
}

.cta-band p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.cta-band-actions {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

.cta-band-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color 0.15s ease;
}

.cta-band-link:hover {
  color: #ffffff;
}

/* ── FAQ ── */

.home-faq {
  padding: 7rem 2rem 6rem;
  background: var(--paper-alt);
  border-top: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
}

.home-faq::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 90% 10%, rgba(0, 87, 255, 0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 5% 85%, rgba(120, 0, 255, 0.03) 0%, transparent 45%);
  pointer-events: none;
}

.home-faq-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.home-faq h2 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 3rem;
  color: #111111;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.faq-item:first-child {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.faq-item summary {
  list-style: none;
  padding: 1.4rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: #111111;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: #0057ff;
  flex-shrink: 0;
  transition: transform 0.2s ease;
  line-height: 1;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  font-size: 0.975rem;
  color: #444;
  line-height: 1.75;
  padding: 0 2rem 1.5rem 0;
  max-width: 620px;
}

/* ── Cross-link band ── */

.crosslink {
  padding: 7rem 2rem 6rem;
  background: var(--paper);
  border-top: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
}

.crosslink::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 88% 18%, rgba(0, 87, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 6% 82%, rgba(120, 0, 255, 0.04) 0%, transparent 45%);
  pointer-events: none;
}

.crosslink-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.crosslink h2 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #111111;
  margin-bottom: 1rem;
}

.crosslink-intro {
  font-size: 1.05rem;
  color: #555;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.crosslink-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-bottom: 2.25rem;
}

.crosslink-points li {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.7;
  padding-left: 1rem;
  border-left: 2px solid rgba(0, 87, 255, 0.25);
}

.crosslink-points li strong {
  color: #111111;
  font-weight: 700;
}

.crosslink-cta {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 700;
  color: #0057ff;
  text-decoration: none;
  border-bottom: 2px solid rgba(0, 87, 255, 0.25);
  padding-bottom: 0.15rem;
  transition: border-color 0.15s ease;
}

.crosslink-cta:hover {
  border-color: #0057ff;
}

/* ── Responsive ── */

@media (max-width: 860px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-col {
    border-right: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.09);
  }

  .feature-col:last-child {
    border-bottom: none;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .benefits h2,
  .how-inner h2,
  .features h2,
  .crosslink h2,
  .cta-band h2,
  .home-faq h2 {
    font-size: 1.75rem;
  }

  .cta-band-actions {
    flex-direction: column;
  }
}

@media (max-width: 400px) {
  .hero h1 {
    font-size: 1.85rem;
  }
}